Home / 33,210.24-45,831.36-18,307.20

Finding the Fourth Proportional to 33,210.24, 45,831.36 and 18,307.20

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Solution

The fourth proportional to 33,210.24, 45,831.36 and 18,307.20 is: 25,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.24 : 45,831.36 = 18,307.20 : x
  2. Step 2: Convert to fraction form
    33,210.24/45,831.36 = 18,307.20/x
  3. Step 3: Cross multiply
    33,210.24x = 45,831.36 × 18,307.20
  4. Step 4: Simplify right side
    33,210.24x = 839,043,873.79
  5. Step 5: Solve for x
    x = 839,043,873.79/33,210.24
  6. Step 6: Final answer
    x = 25,264.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.